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Κυριακή 23 Ιουλίου 2017

Single and multiple food allergies in infants with proctocolitis

Publication date: Available online 22 July 2017
Source:Allergologia et Immunopathologia
Author(s): B.T. Koksal, Z. Barıs, F. Ozcay, O. Yilmaz Ozbek
BackgroundFood protein-induced allergic proctocolitis is a frequent cause of rectal bleeding in infants. Characteristics of infants with multiple food allergies have not been defined.ObjectiveThis study aimed to identify characteristics of infants with proctocolitis and compare infants with single and multiple food allergies.MethodsA total of 132 infants with proctocolitis were evaluated retrospectively. All of the infants were diagnosed by a paediatric allergist and/or a paediatric gastroenterologist according to guidelines. Clinical features of the infants, as well as results of a complete blood count, skin prick test, specific immunoglobulin E, and stool examinations or colonoscopy were recorded.ResultsCow's milk (97.7%) was the most common allergen, followed by egg (22%). Forty-five (34.1%) infants had allergies to more than one food. Infants with multiple food allergies had a higher eosinophil count (613±631.2 vs. 375±291.9) and a higher frequency of positive specific IgE and/or positive skin prick test results than that of patients with a single food allergy. Most of the patients whose symptoms persisted after two years of age had multiple food allergies.ConclusionsThere is no difference in clinical presentations between infants with single and multiple food allergies. However, infants with multiple food allergies have a high blood total eosinophil count and are more likely to have a positive skin prick test and/or positive specific IgE results.



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